Data Backup MCQs with Answers
Data Backup MCQs with Answers
With Detailed Explanations (As Per NCERT Syllabus)
Class: 9 |
Subject: Computer Science |
Section: Computer Security & Data Protection |
Topic: Data Backup |
Board: CBSE Board Examination
Q1. Data backup means:
Answer: B
Data backup is the process of creating copies of important files so they can be restored if lost or damaged.
Data backup is the process of creating copies of important files so they can be restored if lost or damaged.
Q2. Backup is important because it:
Answer: B
Backup ensures that valuable information can be recovered after accidental deletion, hardware failure, or cyber attack.
Backup ensures that valuable information can be recovered after accidental deletion, hardware failure, or cyber attack.
Q3. Full backup copies:
Answer: B
Full backup creates a complete copy of all selected data.
Full backup creates a complete copy of all selected data.
Q4. Incremental backup copies:
Answer: B
Incremental backup saves only newly added or modified files, saving time and storage.
Incremental backup saves only newly added or modified files, saving time and storage.
Q5. Cloud backup stores data:
Answer: B
Cloud backup saves files on remote servers accessible via internet.
Cloud backup saves files on remote servers accessible via internet.
Q6. External hard drive is used for:
Answer: B
External drives are common devices used to store backup copies safely.
External drives are common devices used to store backup copies safely.
Q7. Automatic backup means:
Answer: B
Automatic backup runs at scheduled times without user intervention.
Automatic backup runs at scheduled times without user intervention.
Q8. Best practice is to backup data:
Answer: B
Regular backups minimize risk of data loss.
Regular backups minimize risk of data loss.
Q9. Data loss can occur due to:
Answer: D
Many factors including hardware issues, malware, and human errors can cause data loss.
Many factors including hardware issues, malware, and human errors can cause data loss.
Q10. Restore means:
Answer: B
Restore is the process of retrieving saved data from backup storage.
Restore is the process of retrieving saved data from backup storage.
Q11. Pen drive can be used for:
Answer: A
USB pen drives are portable storage devices for backup.
USB pen drives are portable storage devices for backup.
Q12. Backup reduces risk of:
Answer: B
Backup minimizes the impact of losing important information.
Backup minimizes the impact of losing important information.
Q13. Off‑site backup means:
Answer: B
Off‑site backup protects data from physical disasters.
Off‑site backup protects data from physical disasters.
Q14. Backup frequency depends on:
Answer: A
More important data requires more frequent backups.
More important data requires more frequent backups.
Q15. RAID system is used for:
Answer: A
RAID provides redundancy to prevent data loss.
RAID provides redundancy to prevent data loss.
Q16. Backup should be:
Answer: A
Backup copies should be protected from unauthorized access.
Backup copies should be protected from unauthorized access.
Q17. Versioning in backup means:
Answer: B
Versioning keeps multiple file versions for recovery.
Versioning keeps multiple file versions for recovery.
Q18. Backup plan should be:
Answer: A
A proper strategy ensures reliable data protection.
A proper strategy ensures reliable data protection.
Q19. Encryption in backup provides:
Answer: A
Encryption protects backup data from unauthorized access.
Encryption protects backup data from unauthorized access.
Q20. Best data protection strategy includes:
Answer: B
Combining regular backups with security tools ensures maximum protection.
Combining regular backups with security tools ensures maximum protection.
